US Bridges

Oak RD over I-69

Fair

Genesee County, Michigan · 2.0 MI W of Lapeer Col · Structure no. 000000000002596

Built
1971
54 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
264 ft
2 main spans
Daily traffic
500
1996 count
Owner
State
State Highway Agency

About this bridge

Oak RD over I-69 is a steel continuous stringer/multi-beam or girder carrying Oak RD over I-69 in Genesee County, Michigan. It was built in 1971, so it is 54 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 500 vehicles a day, roughly 3% of them trucks, projected to reach 900 by 2016. The structure is 264 ft (80.5 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesOak RD
CrossesI-69
Location2.0 MI W of Lapeer Col
RouteCounty Highway 0
Coordinates43.01204, -83.49768
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.8 US tons
Inventory rating42.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length264 ft (80.5 m)
Longest span132 ft (40.2 m)
Deck width36 ft (11.1 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (1996)
Projected traffic900 by 2016
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Oak RD over I-69 built?

It was built in 1971, making it 54 years old in 2025.

What condition is Oak RD over I-69 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does Oak RD over I-69 carry?

About 500 vehicles per day (1996 count), of which roughly 3% are trucks.

How long is Oak RD over I-69?

The structure is 264 ft (80.5 m) long with a longest span of 132 ft (40.2 m) and a deck 36 ft wide.

Who owns Oak RD over I-69?

It is owned by the State Highway Agency.